Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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11/26/2013 | US8594299 Intelligent formatting of VoIP telephone numbers |
11/26/2013 | US8594294 System and method for initiating a conference call |
11/26/2013 | US8594078 Method and apparatus for stand-alone voice over internet protocol with POTS telephone support |
11/26/2013 | US8593993 Method and apparatus for self-learning of call routing information |
11/26/2013 | US8593978 Peer-to-peer telephone system |
11/26/2013 | US8593975 Non-intrusive monitoring of quality levels for voice communications over a packet-based network |
11/26/2013 | CA2555650C Method and apparatus for placing a long distance call based on a virtual phone number |
11/26/2013 | CA2533514C Multi-user call waiting |
11/20/2013 | EP2479969B1 A network abstraction gateway and corresponding method to abstract an endpoint |
11/20/2013 | EP1920580B1 Method, terminal device and communication system for programming a button of a communication terminal device |
11/20/2013 | CN103402037A Method for communication of uniform signaling among different application modules in VOIP (voice over internet protocol) network telephone |
11/20/2013 | CN103402036A DTMF (dual-tone multifrequency) decoding method and system based on Android system navigator |
11/20/2013 | CN103402035A Incoming call group ringing method based on Autop+SIP (Session Initiation Protocol) |
11/20/2013 | CN103402034A Method for realizing real-time control of teleconference by utilizing 2G (second generation) voice channel |
11/20/2013 | CN103401890A Notification of communication events |
11/20/2013 | CN101606378B Method and system for a communication session initialization in a telecommunication network |
11/19/2013 | US8588770 System and method for cellphone to cell phone signal transmission via the internet |
11/19/2013 | US8588388 Telephone system and server apparatus and control method used in telephone system |
11/19/2013 | US8588213 Systems and methods for generating power in a communications system |
11/19/2013 | US8588073 Voice and data exchange over a packet based network |
11/14/2013 | US20130304477 Computer, Internet and Telecommunications Based Network |
11/14/2013 | US20130301479 Internet Protocol (IP) Address Exchange Service |
11/14/2013 | US20130301084 Facsimile to e-mail communication system with local interface |
11/13/2013 | EP2663067A1 Home gateway with standby state support |
11/13/2013 | EP2663066A1 Home gateway with standby state support |
11/13/2013 | EP2661871A1 Networking between voip -and pstn- calls |
11/13/2013 | CN203289594U An interconnected and intercommunicated dispatching command system |
11/13/2013 | CN103391380A VoIP (voice over internet protocol) terminal of USB (universal serial bus) interface |
11/13/2013 | CN103391379A Home gateway with standby state support |
11/13/2013 | CN103391378A VOIP calling method, device and system |
11/13/2013 | CN103391293A System and method for realizing cordless phone by virtue of home gateway and smart phone |
11/13/2013 | CN101953218B Dynamic transcoder placement |
11/12/2013 | US8582749 Method and apparatus for connecting packet telephony calls between secure and non-secure networks |
11/12/2013 | US8582735 System and method for monitoring and handling telecommunication activity via a computer network |
11/12/2013 | US8582577 Modem with voice processing capability |
11/07/2013 | US20130297809 Providing telephony services to terminals behind a firewall and/or a network address translator |
11/07/2013 | US20130294589 System, method and software for a speech-enabled call routing application using an action-object matrix |
11/07/2013 | US20130294443 Networking between voip -and pstn- calls |
11/07/2013 | US20130294243 System and method for re-routing calls |
11/06/2013 | EP2661066A1 Multi-modal conferencing |
11/06/2013 | CN1669258B Call transfer using session initiation protocol (sip) |
11/06/2013 | CN103384296A Dialing system and dialing method |
11/06/2013 | CN102469221B IP (Internet Protocol) telephone call processing method and system as well as IP telephone and voice server |
11/06/2013 | CN102196101B Method for calling back extension number and method, equipment and system for searching extension number |
11/06/2013 | CN102111459B Call maintenance method and device in active/standby switching of IP voice equipment |
11/06/2013 | CN101969516B Communication apparatus and control method thereof |
11/06/2013 | CN101682674B Methods, systems, and computer program products for using a location routing number based query and response mechanism to route calls to ip multimedia subsystem (ims) subscribers |
11/05/2013 | US8578390 Method and apparatus for providing a real-time message routing communications manager |
11/05/2013 | US8577013 Automatic communications forwarding to displaced employees |
11/05/2013 | US8576712 Method and apparatus for providing a reliable voice extensible markup language service |
10/31/2013 | US20130287199 Method, system and apparatus for implementing multimedia ring back tone service |
10/31/2013 | US20130286900 Unified message system and method |
10/30/2013 | CN103379234A Communication method and system of network voice terminal |
10/30/2013 | CN103379233A Implementation method and system for DTMF out-band signal reception |
10/30/2013 | CN103379232A Communication server, communication terminal and voice communication method |
10/30/2013 | CN102271196B Communication system with low bit rate voice gateway |
10/30/2013 | CN102025706B Method and system for registering enterprise VoIP (Voice over Internet Phone) terminal |
10/30/2013 | CN101494698B Telephony system |
10/29/2013 | US8571198 Handling redirect calls |
10/29/2013 | US8571194 System and method for initiating a conference call |
10/29/2013 | US8571182 Systems and methods of masking non-service affecting alarms in a communication system |
10/29/2013 | US8570906 Method and apparatus for assigning a virtual number during porting of a primary number |
10/24/2013 | US20130279684 Communication device answering enhancement system and method |
10/24/2013 | US20130279683 Systems and methods for call screening |
10/24/2013 | US20130279682 Methods, Systems, and Computer Program Products for Processing a Nature of Address Indicator and/or Calling Party Number to Support Telecommunication Features |
10/24/2013 | US20130279681 Method and end-user device for messaging |
10/24/2013 | US20130279674 Automated Electronic Telecommunications Order Translation and Processing |
10/24/2013 | US20130279498 Method for dialing from internet extension to conventional extension |
10/24/2013 | US20130279495 Systems and methods of providing communications services |
10/23/2013 | EP2654281A2 Communication method, system and apparatus |
10/23/2013 | EP2654278A1 Network maintenance system, method and device |
10/23/2013 | CN103369161A Implementation method and system for communication by using intelligent roaming terminal |
10/23/2013 | CN103369160A Implementation method and system for communication by using intelligent roaming terminal |
10/23/2013 | CN103369159A Call processing method and call processing device |
10/23/2013 | CN102185986B Service registration method and equipment |
10/23/2013 | CN102148910B Office software and enterprise private branch exchange (PBX) combined operation system and method |
10/22/2013 | US8565727 Communication session permissions in wireless communication systems |
10/22/2013 | US8565418 Method, device and system for extending channels |
10/22/2013 | US8565407 Systems and methods for allocation of telephony resources on-demand |
10/22/2013 | US8565405 Telephone call handling |
10/22/2013 | US8565391 Voice message intermediary |
10/22/2013 | US8565245 Terminal-to-terminal communication connection control method using IP transfer network |
10/22/2013 | US8565222 Enterprise contact server with enhanced routing features |
10/22/2013 | US8565127 Voice-activity detection based on far-end and near-end statistics |
10/22/2013 | US8565125 Services based two way voice service recording and logging |
10/22/2013 | CA2556933C Captioned telephone service |
10/17/2013 | US20130275132 Method and Apparatus for Automatically Building Conversational Systems |
10/17/2013 | US20130272299 Multi-protocol telecommunications routing optimization |
10/17/2013 | US20130272298 VOICE OVER NETWORK (VoN)/VOICE OVER INTERNET PROTOCOL (VoIP) ARCHITECT HAVING HOTLINE AND OPTIONAL TIE LINE |
10/17/2013 | US20130272161 System and method for indicating classification of a communications flow |
10/17/2013 | DE10085359B3 Kommunikationssystem und darin verwendetes Verfahren Communication system and method used therein |
10/16/2013 | EP2649785A1 Propagating user status information accross computing resources including a voicemail server |
10/16/2013 | CN103354589A Voip telecommunications switch |
10/16/2013 | CN103354588A Determination method, apparatus and system for recording and playing sampling rate |
10/15/2013 | US8560717 Method and system for implementing video call service and video interworking gateway device |
10/15/2013 | US8560673 Methods, systems and products for presenting information correlated to communications |
10/15/2013 | US8560009 Multicarrier techniques for wireless systems |
10/15/2013 | US8559615 Contact server for call center |
10/15/2013 | US8559614 Systems and methods of providing multi-homed tandem access |
10/15/2013 | US8559613 Method and system for performing communication transfer service for access gateway control function user |